生而为人。https://soia.zhihu.com/km_paid_content/share?mst=3AYYEsGkpPZxaXxP9J-jhpWXtz6QYCjScSsgFc5ov-fd4mC0HLNFzvJTZ3YQfYtfgRE4u0GAQJRaFivM6n5gchIx5I3CP7uMTG01KAINPenTKOcJ1JHgasfbUTlzo4FAi5e2&is_delivery=true&source=e9f03bea58b4524092f6cb42207b6a5f&package=zhihushare0812&channel_id=67154024128158&appkey=2400&ustkn=1&is_share_data=true